DevTilt

HTML Formatter

Pretty-print HTML so nested elements line up. Output is shown as text in the editor — it is never injected as a live page.

Result

Paste code, then Format. Processing stays in your browser.

How to format HTML

  1. Paste HTML or a markup fragment.
  2. Choose indent, then click Format.
  3. Review the indented markup in the text editor (it is not executed).
  4. Copy the formatted HTML.

What is HTML Formatter?

HTML from templates, scraped pages, and CMS exports often lacks consistent indentation. This formatter expands tags with proper nesting so you can trace DOM structure, find unclosed elements, and share readable markup in documentation or pull requests.

Why use DevTilt's HTML Formatter?

  • Indent nested elements consistently
  • Preserves attributes and inline content
  • Handles HTML5 semantic elements
  • Formats multi-line and single-line input

Common use cases

  • Reading HTML output from a server-side template engine
  • Formatting a scraped page before extracting content
  • Preparing HTML samples for a component library docs site
  • Finding unclosed tags in a malformed template

FAQ

No. Result text is displayed in a read-only editor. Scripts in the input are not run.
No. It beautifies what you paste. Unclosed tags may still look uneven after format.
No. Formatting runs entirely in your browser.
The HTML beautifier indents embedded blocks as part of the document tree. It does not run the JavaScript or CSS formatters inside them — use those tools for language-specific layout.
Yes. Partial snippets such as a <div> subtree or table markup can be pasted. The formatter adds indentation relative to what you provide, not a full document wrapper.